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CUSCO 687 492 RS Power brace rear member side for SUBARU Impreza WRX S4 (VAG)/XV (GP7) Photo-0 CUSCO 687 492 RS Power brace rear member side for SUBARU Impreza WRX S4 (VAG)/XV (GP7) Photo-1
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CUSCO 684 477 A Lower Arm Bar SUBARU LEGACY BL5/BP5
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CUSCO 692 492 R Power brace floor rear for SUBARU Impreza WRX (GRB/GVB) Photo-0
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CUSCO 676 492 C Power brace floor center for SUBARU Forester (SG5) Photo-0
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CUSCO 676 311 A23 Sway bar front for SUBARU Forester (SG5/SG9) Photo-0 CUSCO 676 311 A23 Sway bar front for SUBARU Forester (SG5/SG9) Photo-1
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CUSCO 673 487 A Rear frame bar rear for SUBARU Impreza WRX (GC8/GDA/GDB) Photo-0
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CUSCO 692 474 T Rear trailing rods for SUBARU Impreza WRX (GRB/GRF/GVB/GVF) Photo-0
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CUSCO 673 009 A Street oil catch tank (0.6 liter tank, d=15 hose) for SUBARU Impreza WRX (GDB) Photo-0 CUSCO 673 009 A Street oil catch tank (0.6 liter tank, d=15 hose) for SUBARU Impreza WRX (GDB) Photo-1
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CUSCO 672 009 AN Street oil catch tank (0.3 liter tank, d=15 hose) for SUBARU Impreza WRX (GDB) Photo-0
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CUSCO 686 311 A23 Sway bar front for SUBARU Legacy B4 (BL5/BLE)/Legacy Touring Wagon (BP5/BP9) Photo-0 CUSCO 686 311 A23 Sway bar front for SUBARU Legacy B4 (BL5/BLE)/Legacy Touring Wagon (BP5/BP9) Photo-1
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CUSCO 672 492 FM Power brace front member for SUBARU Impreza WRX (GDA/GDB) Photo-0
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CUSCO 692 311 B20 Sway bar rear for SUBARU Impreza WRX (GRB/GVF)/Impreza Sport (GP2/GP7) Photo-0 CUSCO 692 311 B20 Sway bar rear for SUBARU Impreza WRX (GRB/GVF)/Impreza Sport (GP2/GP7) Photo-1
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CUSCO 667 311 A22 Sway bar front for SUBARU Impreza WRX (GDA/GDB) Photo-0 CUSCO 667 311 A22 Sway bar front for SUBARU Impreza WRX (GDA/GDB) Photo-1
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CUSCO 684 311 B21 Sway bar rear for SUBARU Legacy B4 (BL5/BLE)/Legacy Touring Wagon (BP5/BP9) Photo-0 CUSCO 684 311 B21 Sway bar rear for SUBARU Legacy B4 (BL5/BLE)/Legacy Touring Wagon (BP5/BP9) Photo-1
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CUSCO 684 541 AN Strut brace Type-OS rear for SUBARU Legacy B4 (BL5/BLE)/Outback (BPE) Photo-0
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CUSCO 666 477 A Lower arm bar Ver.2 front for SUBARU Impreza WRX (GDA/GDB) Photo-0 CUSCO 666 477 A Lower arm bar Ver.2 front for SUBARU Impreza WRX (GDA/GDB) Photo-1
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CUSCO 669 311 BJ22 Sway bar rear for SUBARU Impreza WRX (GDB) Photo-0 CUSCO 669 311 BJ22 Sway bar rear for SUBARU Impreza WRX (GDB) Photo-1
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CUSCO 684 311 A23 Sway bar front for SUBARU Impreza (GH8)/Legacy B4 (BL5) Photo-0 CUSCO 684 311 A23 Sway bar front for SUBARU Impreza (GH8)/Legacy B4 (BL5) Photo-1
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CUSCO 676 477 A Front Lower Arm Bar Ver.2 for SUBARU Forester (SG5 / SG9) 2002-2007 Photo-0 CUSCO 676 477 A Front Lower Arm Bar Ver.2 for SUBARU Forester (SG5 / SG9) 2002-2007 Photo-1
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CUSCO 666 261 E Roll cage D1 (6 point, 2 passenger, escape dash) for SUBARU Impreza WRX (GDA/GDB) Photo-0 CUSCO 666 261 E Roll cage D1 (6 point, 2 passenger, escape dash) for SUBARU Impreza WRX (GDA/GDB) Photo-1
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CUSCO 660 476 A Lower arm bar Ver.1 rear for SUBARU Impreza WRX (GC8) Photo-0 CUSCO 660 476 A Lower arm bar Ver.1 rear for SUBARU Impreza WRX (GC8) Photo-1
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CUSCO 667 023 A Chrome molibdenium flywheel for SUBARU WRX STI (VAB) Photo-0
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CUSCO 672 492 RT Power brace rear trunk for SUBARU Impreza WRX (GDB/GDA) Photo-0
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CUSCO 676 311 BJ19 Sway bar rear for SUBARU Forester (SG5/SG9) Photo-0 CUSCO 676 311 BJ19 Sway bar rear for SUBARU Forester (SG5/SG9) Photo-1
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CUSCO 666 022 F Copper clutch set for SUBARU Impreza WRX (GDA) Photo-0 CUSCO 666 022 F Copper clutch set for SUBARU Impreza WRX (GDA) Photo-1
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CUSCO 566 540 A Strut brace Type-OS front for MITSUBISHI Lancer Evolution 10 (CZ4A) Photo-0
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CUSCO 672 492 R Power brace floor rear for SUBARU Impreza WRX (GC8/GDB/GDA) Photo-0
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CUSCO 666 561 A Brake cylinder stopper front for SUBARU Impreza WRX (GDA/GDB) Photo-0 CUSCO 666 561 A Brake cylinder stopper front for SUBARU Impreza WRX (GDA/GDB) Photo-1
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CUSCO 667 540 AM Strut brace Type-OS front for SUBARU Impreza WRX (GDA/GDB) Photo-0
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CUSCO 566 492 RS Power brace rear member side for MITSUBISHI Lancer Evolution 10 (CZ4A) Photo-0
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CUSCO 666 541 A Strut brace Type-OS rear for SUBARU Impreza WRX (GDA/GDB) Photo-0
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CUSCO 564 492 FM Power brace front member for MITSUBISHI Lancer Evolution 8/9 (CT9A) Photo-0

CUSCO – Precision-Engineered Performance Parts from Japan

CUSCO is a globally recognized leader in high-performance suspension, drivetrain, and chassis components, offering track-proven solutions for street and motorsport applications. With a legacy spanning over 40 years, CUSCO has earned a reputation for engineering excellence and precision manufacturing. Designed and tested in Japan, CUSCO products undergo rigorous quality control and motorsport testing, ensuring reliability, performance, and durability.

From adjustable coilovers and limited-slip differentials (LSDs) to roll cages and chassis reinforcements, CUSCO provides everything needed to enhance vehicle handling, stability, and drivetrain efficiency. Whether you're upgrading for better track performance, daily driving comfort, or off-road durability, CUSCO parts deliver unmatched precision and control.

CUSCO’s philosophy is to create balance in vehicle dynamics, ensuring optimal traction, improved cornering, and reduced body roll. Every product is meticulously developed to provide perfect fitment, easy installation, and maximum tuning potential, making CUSCO a preferred choice for automotive enthusiasts and professional racers worldwide.

CUSCO Coilovers and Suspension Systems

CUSCO offers a wide range of coilover suspension kits and performance suspension components designed for improved handling, ride comfort, and adjustability. Engineered with high-quality materials and precision tuning, CUSCO suspension upgrades allow drivers to achieve superior grip, reduced body roll, and optimized weight distribution.

CUSCO Coilover Kits

CUSCO coilovers are developed for street, circuit, and rally applications, featuring adjustable ride height, damping control, and spring rates. These coilovers are available in Sport, Street, and Competition models, each offering tailored suspension tuning for different driving environments.

CUSCO Suspension Arms and Bushings

For enhanced suspension geometry and cornering precision, CUSCO offers adjustable control arms, sway bars, camber kits, and reinforced bushings. These upgrades allow fine-tuning of wheel alignment, ensuring maximum traction and stability in high-performance driving conditions.

CUSCO Limited-Slip Differentials (LSD)

CUSCO’s LSD differentials are engineered for track racing, drifting, and rally applications, ensuring maximum traction, better torque distribution, and improved power delivery. Available in 1-way, 1.5-way, and 2-way configurations, CUSCO LSDs allow customized tuning based on driving style and terrain.

Types of CUSCO LSDs

  • Type-RS LSD – Designed for smooth engagement and low initial torque, making it ideal for street and circuit racing.
  • Type-MZ LSD – Offers stronger lock-up characteristics, perfect for aggressive driving, drifting, and high-torque applications.
  • CUSCO Hybrid LSD – A combination of Type-RS and Type-MZ, offering progressive locking behavior for balanced performance.

CUSCO Drivetrain Components

To complement high-performance differentials, CUSCO manufactures reinforced clutch kits, flywheels, and driveshaft stabilizers, designed to improve drivetrain efficiency and power transfer.

CUSCO Clutch Kits & Flywheels

CUSCO’s lightweight flywheels and performance clutch kits reduce rotational mass, improving engine response, acceleration, and shifting precision.

CUSCO Transmission Mounts

Reinforced CUSCO transmission mounts reduce drivetrain movement, ensuring precise gear engagement and stability under hard acceleration.

CUSCO Roll Cages – Safety and Structural Reinforcement

For motorsport and track-day enthusiasts, CUSCO offers precision-engineered roll cages, designed for maximum driver protection and chassis rigidity. Made from high-strength steel and aluminum, these cages are available in bolt-in and weld-in configurations, meeting strict FIA safety standards.

CUSCO Roll Cage Features

  • Available in 6-point, 7-point, and 8-point configurations.
  • Constructed from chromoly or steel tubing for lightweight strength.
  • Designed for perfect fitment and easy installation.
  • Provides enhanced chassis stiffness and rollover protection.

CUSCO Strut Tower Braces & Chassis Bracing

To enhance chassis stiffness and handling precision, CUSCO produces a range of strut tower braces, underbody braces, and subframe reinforcements. These components reduce chassis flex, ensuring improved stability, sharper turn-in response, and better cornering balance.

CUSCO Strut Bars

CUSCO’s aluminum strut bars connect the vehicle’s suspension towers, reducing body flex and improving handling precision.

CUSCO Subframe Braces

For reinforced suspension mounting points, CUSCO subframe braces enhance chassis rigidity, preventing suspension deflection under load.

CUSCO Engine & Cooling Components

To support high-performance engine builds, CUSCO offers oil catch cans, engine mounts, radiator cooling plates, and high-performance radiators. These components help maintain engine reliability, oil management, and cooling efficiency.

Why Choose CUSCO?

CUSCO is a trusted name in motorsport and street tuning, offering precision-engineered parts designed for performance, safety, and durability. Key advantages include:

  • Japanese Engineering Excellence: All parts undergo rigorous testing and quality control in Japan.
  • Motorsport-Proven Technology: CUSCO products are used in racing, rally, and drifting championships worldwide.
  • Customizable Performance: Adjustable suspension and differential tuning options allow for tailored driving characteristics.
  • Easy Installation & OEM Fitment: Designed for seamless integration with a wide range of vehicles.
  • FIA and JAF Certified Safety Equipment: Roll cages meet motorsport safety regulations.

Upgrade Your Vehicle with CUSCO

Whether you're upgrading for improved handling, enhanced drivetrain efficiency, or safety reinforcement, CUSCO offers a complete lineup of performance parts. Shop the latest CUSCO suspension, LSD differentials, roll cages, and drivetrain components at ATOMIC-SHOP and take your vehicle’s performance to the next level.